Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
This means that while multiple processes and threads can read from the same database at the same time, only one is able to write.
这意味着当多个进程和线程可以在同一时间从同一数据库读取数据，但只有一个可以写入数据。
In the sample service implementation, we make sure that, each function's execution time requires at least one second and it will print out some message while being executed.
在样例服务实现中，我们要确保，每个函数所需的执行时间最少是一秒，而且在执行的同时打印出一些消息。
The goal here is to replace one version of an application with another in as short a time period as possible while keeping the application continuously available.
快速替换的目的是在尽可能短的时间内将应用程序的一个版本替换为另一个版本，同时保持应用程序继续可用。
Palenque's wealth of epigraphy (inscriptions) and recorded history has helped archaeologists to build the first time line of rulers of a Maya city—one that, while impressive, is still fuzzy in places.
帕伦克丰富的碑文（铭文）以及记载史让考古学家给这座玛雅城市构建出了第一条朝代时间线。 这座城市尽管令人过目不忘，但在某些地方还是模糊不清。
As most of you know, I advocate single-tasking - it's basically doing one thing at a time, and being fully present while doing that task.
我们大多数人都知道，我提倡单任务——基本上就是一次就做一件事，做任务时全心投入。
While it might seem very difficult, focusing on one goal at a time is the most powerful way of achieving your goals.
虽然这看起来非常困难，但是专注于一个目标是达成目标的最有效办法。
While no one would have thought it at the time (ah, the freewheeling days of yore), Struts Action classes often become havens for complexity.
虽然在那个时候(过去的自由时光啊)可能没人想过，但StrutsAction类通常成为复杂性的保护所。
He continues by mentioning Microsoft's homepage, which also has 3 ads but only one is showing, while two are hidden, at least at the time when the study was made.
接下来Fadeyev又谈到了微软的网站，它上面也有3个广告，但在同一时刻只呈现出其中一个而将另外两个隐藏起来，至少在Fade yev调研时是这样的。
To select multiple results at one time, hold the Control button while you click each result.
要想一次选中多个结果，请在单击每个结果时，同时按住Control键。
THREE: While reading this, there was one person on your mind this whole time.
3：当你读着这篇文章时，你的脑子里总有一个人。
So is our disregard for authority, which we celebrate, while at the same time being one of the most law-abiding nations on earth.
在我们庆祝的时候我们蔑视权威，然后与此同时我们也是这个地球上最奉公守法的人们。
And while I love my family to death, this time of tranquility is one of absolute bliss for me.
虽然我对我的家庭爱得要死，但这片刻的宁静绝对是我的幸福之一。
While this is a very slow and mellow track – it’d be perfect for some quality time with your one and only.
这是一首旋律很缓慢的，很轻柔的歌——在某个精心的时刻，只有你很你的另一半，这是最棒的。
I had spent all my time going after one picture while other photographers onboard enjoyed their explorations and collected a whole raft of fun images.
光是这一张照片就花去了我所有的时间，而此时，甲板上其他的摄影人员正在欣赏着四周的美景，并拍摄了大量有趣的照片。
Sometimes you want to view more than one editor window at a time, perhaps to copy and paste something from one to the other or to read information from one while typing in the other.
有时需要一次查看多个编辑器窗口，可能需要将某些内容从一个编辑器窗口复制并粘贴到另一个编辑器窗口，或者需要在一个编辑器窗口中键入内容时阅读另一个编辑器窗口中的信息。
Remember those puzzles where you had to transform one word into another while changing only one letter at a time?
您还记得这样的字谜么——每次只允许修改单词的一个字母，就能把它变换成另外一个单词？
While one-time-only transformations may be easier to develop, it has been our experience that these types of transformations see very little usage relative to the effort required to create them.
虽然开发一次性的转换会更简单，但是就经验来看，相对于开发这种类型的转换所需的工作量来说，它们的用途是非常少的。
"It could be that having a particular type of anxiety will help processing in one part of the brain while at the same time hurting processing in another part of the brain," he said.
“可能是有某种特定类型的‘焦虑’有助于在处理头脑中某个部分，与此同时它也许会伤害头脑对另一部分的处理”，他说。
As a time-lapse photo goes, I like this one as the tree still looks like a tree, while the other lights are moving.
作为一张延时照片，我喜欢这一张，因为树看上去还像棵树，而其它的光线都在移动。
While I don’t take the train, the value of converting “down time” to productive time is a pretty attractive one.
尽管我不坐火车，这种将无用时间变成高效工作的主意，还是很有吸引力的。
While I don't take the train, the value of converting "down time" to productive time is a pretty attractive one.
尽管我不坐火车，这种将无用时间变成高效工作的主意，还是很有吸引力的。
Appreciating that while no relationship is all smiles all of the time, no relationship could be better for me than the one we share together.
意识到没有什么关系会是一直良好的，对我来说没有比分享彼此更好的关系了。
And while loading a file three directories down and one directory over doesn't take much time, finding that file sure can.
而且，将一个文件向下加载三个目录和向上加载一个目录不会耗费太多时间，查找此文件却需要很多时间。
One afternoon while out on a walk I thought of the old saying "take time to stop and smell the roses" and I did just that.
一天下午漫步在外的时候，我想起一句谚语，“忙里偷闲，闻闻玫瑰花香”，正是我当时的状态。
Further, you need to perform the customization only one single time, while the virtual image can be reused by as many patterns as necessary.
此外，您只需要执行一次定制，然后就可以根据需要将虚拟映像重用于任意数量的模式。
Further, you need to perform the customization only one single time, while the virtual image can be reused by as many patterns as necessary.
此外，您只需要执行一次定制，然后就可以根据需要将虚拟映像重用于任意数量的模式。
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